Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 1019 more...
- ItemBB015300 - Northern Pacific Engineering Drawing: Masonry Plan, Bridge 135, West of Sagemoor, Washington, 1917
- ItemBB015301 - Northern Pacific Engineering Drawing: General Plan, Bridge 169 - Quartz Creek, West of Rivulet, Montana, 1916
- ItemBB015302 - Northern Pacific Engineering Drawing: Detail of Masonry, Bridge 169 - Quartz Creek, West of Rivulet, Montana, undated
- ItemBB015303 - Northern Pacific Engineering Drawing: Stress Sheet, Bridge 169 - Quartz Creek, West of Rivulet, Montana, undated
- ItemBB015306 - Northern Pacific Engineering Drawing: Shop Plan - Erection Plan, Bridge 169 - Quartz Creek, West of Rivulet, Montana, undated
- ItemBB015307 - Northern Pacific Engineering Drawing: Shop Plan - Masonry Diagram, Bridge 169 - Quartz Creek, West of Rivulet, Montana, undated
- ItemBB015308 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 169 - Quartz Creek, West of Rivulet, Montana, undated
- ItemBB015309 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 169 - Quartz Creek, West of Rivulet, Montana, undated
- ItemBB015310 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 169 - Quartz Creek, West of Rivulet, Montana, undated
- 6700 more...